Mode switching control circuit and control system

Abstract

The embodiment of the utility model discloses a mode switching control circuit and a mode switching control system. The mode switching control circuit comprises a mode selection module, a detection control module and a Type-C interface, the mode selection module is connected with the detection control module, the detection control module is connected with the Type-C interface, the Type-C interface is connected with a product through a Type-C data line, the mode selection module is used for controlling startup and shutdown and mode switching of the product, and the detection control module is used for detecting whether the Type-C interface is connected with the Type-C data line; and the mode selection module and the detection control module are also used for controlling the Type-C interface to be disconnected with the Type-C data line, and controlling the product to enter a factory mode after preset times and preset time. According to the utility model, the product can be conveniently detected and maintained in a factory, the production of the factory is facilitated, and the production cost of the product is saved.

Description

Technical Field

[0001] The embodiments of the utility model relate to the field of power electronics technology, and in particular to a mode switching control circuit and a control system. Background Art

[0002] During the factory production process, it takes a long time to detect the function of the product, which is not convenient for the detection and manufacturability of the product function, is not conducive to the factory's production, and also increases the production cost. Utility Model Content

[0003] The utility model provides a mode switching control circuit and a control system, which can facilitate the detection and maintenance of products in factories, are beneficial to the production of factories, and save the production cost of products.

[0004] According to one aspect of the present utility model, a mode switching control circuit is provided, the mode switching control circuit comprising: a mode selection module, a detection control module and a Type-C interface;

[0005] The mode selection module is connected to the detection control module, the detection control module is connected to the Type-C interface, the Type-C interface is connected to the product through a Type-C data cable, the mode selection module is used to control the power on and off and mode switching of the product, and the detection control module is used to detect whether the Type-C interface is connected to the Type-C data cable;

[0006] The mode selection module and the detection control module are also used to control the Type-C interface to disconnect from the Type-C data cable, and control the product to enter the factory mode after a preset number of times and a preset time.

[0007] Optionally, the detection control module includes a first detection port and a second detection port, and the Type-C interface includes a first data pin and a second data pin;

[0008] The first detection port is connected to the first data pin, the second detection port is connected to the second data pin, and the detection control module is used to detect whether the Type-C data line is connected to the Type-C interface through the first detection port, the second detection port, the first data pin and the second data pin.

[0009] Optionally, the mode selection module is used to control the power on and off of the product when long pressed, and to control the mode switching of the product when short pressed.

[0010] Optionally, the preset number of times includes 2 times, and the preset time includes 0.5 seconds.

[0011] Optionally, the mode switching control circuit further includes a pull-up module, the pull-up module is connected to the mode selection module and the detection control module, and the pull-up module is used for voltage division.

[0012] Optionally, the mode switching control circuit further includes a power supply module, which is connected to the pull-up module and the detection control module, and is used to provide power to the pull-up module and the detection control module.

[0013] Optionally, the mode selection module includes a key switch, a first end of the key switch is grounded, and a second end of the key switch is connected to the detection control module.

[0014] Optionally, the pull-up module includes a pull-up resistor, the pull-up resistor is connected to the mode selection module and the detection control module, and the pull-up resistor is used for voltage division.

[0015] Optionally, the detection control module includes an MCU.

[0016] According to another aspect of the present invention, a mode switching control system is provided, and the mode switching control system includes any one of the mode switching control circuits described in the above aspect.

[0017] The technical solution of the embodiment of the utility model controls the power on and off of the product and the mode switching through the mode selection module, and the detection control module detects whether the Type-C interface is connected to the Type-C data line; the mode selection module and the detection control module control the Type-C interface to disconnect the Type-C data line, and control the product to enter the factory mode after a preset number of times and a preset time, which can facilitate the detection and maintenance of the product in the factory, which is beneficial to the production of the factory and saves the production cost of the product. In summary, the utility model solves the problem that the prior art takes a long time to detect the function of the product, is not convenient for the detection and manufacturability of the product function, is not conducive to the production of the factory, and also increases the production cost.

[0018] It should be understood that the contents described in this section are not intended to identify the key or important features of the embodiments of the present utility model, nor are they intended to limit the scope of the present utility model. Other features of the present utility model will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a structural schematic diagram of a mode switching control circuit provided according to an embodiment of the utility model;

[0021] Figure 2 is a structural schematic diagram of another mode switching control circuit provided according to an embodiment of the utility model;

[0022] Figure 3 It is a working principle diagram of a mode switching control circuit provided according to an embodiment of the utility model. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0024] It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the utility model described here can be implemented in an order other than those illustrated or described here. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0025] Figure 1 is a schematic diagram of a mode switching control circuit according to an embodiment of the present utility model, referring to Figure 1The embodiment of the utility model provides a mode switching control circuit, which includes: a mode selection module 10, a detection control module 20 and a Type-C interface 30; the mode selection module 10 is connected to the detection control module 20, the detection control module 20 is connected to the Type-C interface 30, the Type-C interface 30 is connected to the product through a Type-C data line, the mode selection module 10 is used to control the power on and off of the product and the mode switching, the detection control module 20 is used to detect whether the Type-C interface 30 is connected to the Type-C data line; the mode selection module 10 and the detection control module 20 are also used to control the Type-C interface 30 to disconnect from the Type-C data line, and control the product to enter the factory mode after a preset number of times and a preset time.

[0026] Specifically, the product can be an electronic product with an MCU. The product is controlled by the mode selection module 10 to turn on and off and enter the factory mode. The factory mode means that the product is tested and repaired in the factory. Optionally, the mode selection module 10 is used to control the power on and off of the product when long pressed, and to control the mode switching of the product when short pressed. During the user's use, the mode selection module 10 is long pressed to realize the function of turning on and off, and the mode selection module 10 is short pressed to realize the mode switching. The Type-C interface 30 is a conventional Type-C interface. When the Type-C data line is not connected to the Type-C interface 30, the detection control module 20 can detect whether the Type-C data line is connected. The process of the product entering the factory mode is as follows: the Type-C interface 30 is connected to the Type-C data line, and the product starts charging at this time. At the same time, the detection control module 20 calls the internal register after the input of the detection, and prepares for mode switching. At this time, the mode selection module 10 is long pressed, and the Type-C data line connected to the Type-C interface 30 is disconnected. At this time, the mode selection module 10 is short pressed according to the preset number of times, and after the preset time interval, the product enters the factory mode. Optionally, the preset number of times includes 2 times, and the preset time includes 0.5 seconds. For example, the preset number of times may be 2 times, and the preset time may be 0.5 seconds.

[0027] The technical solution of the embodiment of the utility model controls the power on and off of the product and the mode switching through the mode selection module, and the detection control module detects whether the Type-C interface is connected to the Type-C data line; the mode selection module and the detection control module control the Type-C interface to disconnect the Type-C data line, and control the product to enter the factory mode after a preset number of times and a preset time, which can facilitate the detection and maintenance of the product in the factory, which is beneficial to the production of the factory and saves the production cost of the product. In summary, the utility model solves the problem that the prior art takes a long time to detect the function of the product, is not convenient for the detection and manufacturability of the product function, is not conducive to the production of the factory, and also increases the production cost.

[0028] Figure 2 is a schematic diagram of a mode switching control circuit according to an embodiment of the present invention, referring to Figure 2 Optionally, the detection control module 20 includes a first detection port 1 and a second detection port 2, and the Type-C interface 30 includes a first data pin D+ and a second data pin D-; the first detection port 1 is connected to the first data pin D+, and the second detection port 2 is connected to the second data pin D-, and the detection control module 20 is used to detect whether the Type-C data line is connected to the Type-C interface 30 through the first detection port 1, the second detection port 2, the first data pin D+ and the second data pin D-.

[0029] Specifically, the Type-C interface 30 is a conventional Type-C interface. When the Type-C data line is not connected to the Type-C interface 30, the detection control module 20 detects whether the Type-C data line is connected through the first detection port 1, the second detection port 2, the first data pin D+, and the second data pin D-.

[0030] Continue to refer Figure 2 Optionally, the mode switching control circuit further includes a pull-up module 40, the pull-up module 40 is connected to the mode selection module 10 and the detection control module 20, and the pull-up module 40 is used for voltage division.

[0031] Continue to refer Figure 2 Optionally, the mode switching control circuit further includes a power supply module 50 , which is connected to the pull-up module 40 and the detection control module 20 , and is used to provide power to the pull-up module 40 and the detection control module 20 .

[0032] Figure 3 is a working principle diagram of a mode switching control circuit provided according to an embodiment of the utility model, referring to Figure 3 Optionally, the mode selection module 10 includes a key switch SW1 , a first end of the key switch is grounded GND, and a second end of the key switch SW1 is connected to the detection control module 20 .

[0033] Continue to refer Figure 3 Optionally, the pull-up module 40 includes a pull-up resistor R1, which is connected to the mode selection module 10 and the detection control module 20, and is used for voltage division.

[0034] Optionally, the detection control module includes an MCU.

[0035] An embodiment of the utility model further provides a mode switching control system, and the mode switching control system includes the mode switching control circuit provided by any embodiment of the utility model.

[0036] Since the mode switching control system includes the mode switching control circuit provided by any embodiment of the present invention, the beneficial effects of the above-mentioned mode switching control system and the mode switching control circuit are the same, which will not be described in detail here.

[0037] The above specific implementations do not constitute a limitation on the protection scope of the present utility model. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A mode switching control circuit, characterized in that: include: Mode selection module, detection control module and Type-C interface; The mode selection module is connected to the detection control module, the detection control module is connected to the Type-C interface, the Type-C interface is connected to the product through a Type-C data cable, the mode selection module is used to control the power on and off and mode switching of the product, and the detection control module is used to detect whether the Type-C interface is connected to the Type-C data cable; The mode selection module and the detection control module are also used to control the Type-C interface to disconnect from the Type-C data cable, and control the product to enter the factory mode after a preset number of times and a preset time.

2. The mode switching control circuit according to claim 1, characterized in that: The detection control module includes a first detection port and a second detection port, and the Type-C interface includes a first data pin and a second data pin; The first detection port is connected to the first data pin, the second detection port is connected to the second data pin, and the detection control module is used to detect whether the Type-C data line is connected to the Type-C interface through the first detection port, the second detection port, the first data pin and the second data pin.

3. The mode switching control circuit according to claim 1, characterized in that: The mode selection module is used to control the power on and off of the product when long pressed, and to control the mode switching of the product when short pressed.

4. The mode switching control circuit according to claim 1, characterized in that: The preset number of times includes 2 times, and the preset time includes 0.5 seconds.

5. The mode switching control circuit according to claim 1, characterized in that: It also includes a pull-up module, which is connected to the mode selection module and the detection control module, and is used for voltage division.

6. The mode switching control circuit according to claim 5, characterized in that: It also includes a power supply module, which is connected to the pull-up module and the detection control module, and is used to provide power for the pull-up module and the detection control module.

7. The mode switching control circuit according to claim 1, characterized in that: The mode selection module includes a key switch, a first end of the key switch is grounded, and a second end of the key switch is connected to the detection control module.

8. The mode switching control circuit according to claim 5, characterized in that: The pull-up module includes a pull-up resistor, the pull-up resistor is connected to the mode selection module and the detection control module, and the pull-up resistor is used for voltage division.

9. The mode switching control circuit according to claim 1, characterized in that: The detection control module includes an MCU.

10. The mode switching control system according to claim 1, characterized in that: The invention comprises the mode switching control circuit as described in any one of claims 1 to 9.

Images